Figure 2
The connection (yellow arrow) between the deep postanal space (red arrow) and the rectum (blue arrow) was shown by ultrasound in a patient with deep postanal space abscess.
Figure 2 | BMC Surgery
The connection (yellow arrow) between the deep postanal space (red arrow) and the rectum (blue arrow) was shown by ultrasound in a patient with deep postanal space abscess.